7030 ACD/P4ATGA
7000 Series Super Precision Angular Contact Ball Bearings
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7030 ACD/P4ATGA Bearing Product Overview & Core Advantages
The 7030 ACD/P4ATGA is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Engineered to a P4A tolerance class, this bearing excels in high-speed operations and is capable of supporting combined loads (radial and axial) simultaneously. Its universal matchable (SU) design allows for flexible mounting in various preload configurations, making it an ideal choice for high-reliability spindles and precision machinery where uncompromising performance is critical.
7030 ACD/P4ATGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| AC | Angular Contact design with a 25° contact angle for optimal axial load capacity. |
| D | Indicates two bearings in a universal matchable (SU) set. |
| P4A | High precision tolerance class with enhanced running accuracy for demanding applications. |
| T | Phenolic (textile) cage material, suitable for high-speed operation. |
| GA | Specific internal clearance and preload group (Extra light / Class A). |
7030 ACD/P4ATGA Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The angular contact design and robust construction enable this bearing to handle significant combined radial and axial loads with high system rigidity. The 25° contact angle is optimized for axial load support.
High-Speed Performance: The lightweight phenolic cage minimizes centrifugal forces, contributing to a high limiting speed of 11,000 rpm. The open design facilitates efficient lubrication management for thermal stability.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional control on the bore diameter and outside diameter, ensuring minimal runout and superior rotational accuracy for precision applications.
Universal Matching: As a Universal Matchable (SU) bearing, it can be paired with another identical bearing in various preload arrangements (back-to-back, face-to-face, or tandem) to meet specific application stiffness and load requirements.
7030 ACD/P4ATGA Bearing Typical Application Areas
- Machine Tool Spindles: High-speed milling, grinding, and turning centers requiring precision and rigidity.
- Precision Gearboxes: Applications demanding high rotational accuracy and load capacity.
- High-Frequency Motors & Spindles: Where high limiting speeds and low vibration are critical.
- Industrial Pumps & Compressors: For reliable performance under combined loads.
